Finding the Fourth Proportional to 4,720,505,661.48, 7,077,267,754.80 and 2,854,736,564.58
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Solution
The fourth proportional to 4,720,505,661.48, 7,077,267,754.80 and 2,854,736,564.58 is: 4,279,993,815.45
Step by Step Solution
- Step 1: Write the proportion equation
4,720,505,661.48 : 7,077,267,754.80 = 2,854,736,564.58 : x - Step 2: Convert to fraction form
4,720,505,661.48/7,077,267,754.80 = 2,854,736,564.58/x - Step 3: Cross multiply
4,720,505,661.48x = 7,077,267,754.80 × 2,854,736,564.58 - Step 4: Simplify right side
4,720,505,661.48x = 20,203,735,036,950,560,768 - Step 5: Solve for x
x = 20,203,735,036,950,560,768/4,720,505,661.48 - Step 6: Final answer
x = 4,279,993,815.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.